Round diamond — IGI certificate LG11364520

A 1.59 carat round lab-grown diamond, M color, SI1 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.59 ct Round lab-grown diamond, certificate IGI LG11364520

Stone specifications

ShapeRound
Carat1.59
ColorM
ClaritySI1
CutExcellent
TypeLab-grown
CertificateIGI LG11364520

Where this stone is listed

Facet Wire currently tracks this certificate at one retailer. If another store lists the same certificate, it will appear here automatically.

RetailerPrice$/ctvs lowestDeal check
New World Diamonds$680$428Lowest—

Facet Wire tracks 2215 round lab-grown diamonds; their median price is $541 per carat. This stone's lowest tracked price works out to $428 per carat. This page is one of 6939 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-21. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.